
public class HelloWorld {
	public static void main(String[]args){
	System.out.println("HelloWorld!");
	int c = add(4,5);
			System.out.println(c);
	int f = minus(9,6);
	float f1 = minus(9,6);
	        System.out.println(f1);
	}
public static int add(int a,int b){
	
	int c = a + b; 
    
	return c;
}
public static int minus(int d,int e){
	 
	int f = d - e;
    
	return f;
}
public static float minus(float d,float e){
	 
	float f = d - e;
    
	return f;
}
}
